2016-08-08_PERMIT FILE - C1981019A ‎(63)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 8/8/2016
• Doc Name: Sedimwent Pond and Associated Modeling During Mining
• Section_Exhibit Name: Volume 18 Exhibit 7 Item 23 Part C
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
+ooa on10 oma. 1, i
7
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right
Bottom Reta rda nce
Freeboard
Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%) Classes
Width (ft)
Mult. x
Depth (ft) % of Depth
Velocity
Ratio Ratio
(VxD)
(fps)
12.00 2.0:1 2.0:1 5.0 D, B
15.01 ft
7.0
Vegetated Channel Results:
Structure #7 (NO
Structure #6 (Pond)
Sidehill Pond
Pond Inputs:
Initial Pool Elev: 7,167.00 ft
Initial Pool: 4.02 ac -ft
Emergency Spillwax
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
7,172.00 40.00 2.00:1 2.00:1 20.00
Perforated Riser
Riser
Riser Height
Stability Stability
Class D w/o Class D w/
Freeboard Freeboard
Capacity Capacity
Class B w/o Class B w/
Freeboard Freeboard
Design Discharge:
70.12 cfs
70.12 cfs
Depth:
0.75 ft
1.11 ft
Top Width:
15.01 ft
16.45 ft
Velocity:
6.90 fps
4.43 fps
X -Section Area:
10.17 sq ft
15.82 sq ft
Hydraulic Radius:
0.662 ft
0.932 ft
Froude Number:
1.48
0.80
Roughness Coefficient:
0.0367
0.0717
Structure #7 (NO
Structure #6 (Pond)
Sidehill Pond
Pond Inputs:
Initial Pool Elev: 7,167.00 ft
Initial Pool: 4.02 ac -ft
Emergency Spillwax
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
7,172.00 40.00 2.00:1 2.00:1 20.00
Perforated Riser
Riser
Riser Height
Barrel
Barrel Barrel Slope
Number of
Spillway Elev
Diameter (ft)
Diameter Length (ft) (%)
Manning's n (ft) Holes per
(in)
(in)
Elev
18.00 5.50
18.00 125.00 2.10
0.0240 7,170.00 2
Pond Results:
Filename: PR04 West Side Ponds 10024 NSrev1.sc4 Printed 07-30-2015
Exh. 7-23C-39 Revision Date: 07/31/2015
Revision No.: PR -04